Which organisms burrow into the deep-ocean muds in a process called bioturbation?
A) starfish
B) sponges
C) sea cucumbers
D) clams
E) sea urchins
Correct Answer:
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Q19: Episodes of coral bleaching have become more
Q20: Few algae are found growing on gravel
Q23: An individual coral animal is known as
Q26: Water must be warmer than _ degrees
Q28: Coral bleaching results in _.
A) the expulsion
Q31: Zooxanthellae are
A) dinoflagellates living in tropical corals.
B)
Q34: Marine algae are found in which sequence
Q35: Most animals that live within the sand
Q39: Intertidal communities have low productivity because of
Q40: Seafloor organisms modify their habitat and create
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